It's up to her to say whether she's a member or not, so it would be
best to contact her for that info.

If you can still use a quote, I would argue that the premise of his
assertions should be challenged:

"Every citizen enjoys the rights and responsibilities of
citizenship, including serving on a jury, so it's bizarre that Tom
Delay seems to think he can blame his criminal conviction on
someone's politics or membership in an organization."